diff --git a/ircradio/disco.py b/ircradio/disco.py
index 39e1fa4..d212ce6 100644
--- a/ircradio/disco.py
+++ b/ircradio/disco.py
@@ -44,6 +44,10 @@ async def on_message(message):
     if message.author == bot.user:
         return
 
+    if str(message.guild) not in settings.discord_servers:
+        print(f'Unapproved guild: {message.guild}')
+        return
+
     msg = message.content
     if not msg.startswith(settings.discord_command_prefix):
         return
diff --git a/settings.py_example b/settings.py_example
index f92af62..62c0b3c 100644
--- a/settings.py_example
+++ b/settings.py_example
@@ -21,6 +21,7 @@ enable_search_route = bool_env(os.environ.get("ENABLE_SEARCH_ROUTE", False))
 discord_token = "xxxxxxx" # https://discord.com/developers/applications
 discord_admins = ["lza.art101.eth#7207"]
 discord_command_prefix = "!"
+discord_servers = ["Art101 • Patrn • NFT Art"]
 
 icecast2_hostname = "localhost"
 icecast2_max_clients = 32